package com.beichen;

import com.beichen.service.CertificateService;

import java.io.File;

public class Test {
    public static void main(String[] args) {
        boolean pdfFile = new CertificateService().isPdfFile(new File("file:///var/folders/qy/_dq3lrv16pvg26889_nf1g9w0000gn/T/certificate_16905656814581636723.pdf"));
        System.out.println(pdfFile);

    }
}
